This must be the 4345th reviewer of this digicam that renarks on the lack of 720p video in this cam, and we all know it's Sony's fault. Bad Sony!:
 
"Autofocus is pretty good though again not blazingly fast. It's a little quicker at the wide end of the range (under 0.5s) than it is at the telephoto end (under 1s). Again, OK by digicam standards, slow by DSLR standards. There is a very effective and pretty bright AF assist light (which is purple/blue rather then the

Of course, being a Strobist review, it focuses on all things flash, but be sure to read the comments too, some of them are little gems of G11-info:
"The huge knock on the previous G camera was their low performance at high ISOs. The G11 has sacrificed the pixel count in favor of fewer, higher quality pixels. I found the higher ISOs to be much better than my previous G9, and did not miss the extra image size at all."

Jeff Keller says: "After learning some Digital Photo Professional tricks while I was reviewing the PowerShot S90, I went back and re-converted all the RAW images in the PowerShot G11 review. I think they look quite a bit better than what I had before."